SQL injection vulnerability in adclick.php in the AdServe 0.2 plugin for WordPress allows remote attackers to execute arbitrary SQL commands via the id parameter.
https://www.exploit-db.com/exploits/5013
https://exchange.xforce.ibmcloud.com/vulnerabilities/40045
https://euvd.enisa.europa.eu/vulnerability/EUVD-2008-0517
http://www.vupen.com/english/advisories/2008/0364